RFR: 8330178: Clean up non-standard use of /** comments in `java.base`

[Alexey Ivanov]

On Mon, 22 Apr 2024 17:38:59 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

> The document [How to Write Doc Comments for the Javadoc Tool](https://www.oracle.com/uk/technical-resources/articles/java/javadoc-tool.html) is depressingly obsolete, as indicated by this text towards the end:

I know. Yet there's nothing newer, is there?

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PR Comment: https://git.openjdk.org/jdk/pull/18846#issuecomment-2070433346